The diagrams below are my first attempt at creating a class diagram, use case diagram, and sequence diagram describing a simple iPhone shopping application that retrieves data from a web database (MySQL) and stores it in SQLite.
I'm not really sure about them, but I hope to find out from you guys how you design it. I am particularly interested in using design templates and templates that you would use, how to implement it in design, and why.
Initial sequence chart size
Charts are suitable for an overview of your design.
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